Features:

1. 4-Gang Smart Switch: Control up to four devices independently, allowing for streamlined management of home appliances or lights in different areas.
2. Multiple Working Modes: Offers self-locking, interlock, and inching modes that can be easily set through the eWeLink app, providing flexibility to control devices according to different needs.
3. RF Control: The 4CH PRO R3 is equipped with 433MHz RF, allowing users to control the switch with the SONOFF RM433 remote controller, offering convenience in controlling the switch from a distance.
4. Voice Command Compatibility: Integrated with Amazon Alexa and Google Home for hands-free operation of your devices.
5. DIN Rail Mounting: Easy to install using a DIN rail, making it suitable for various setups, especially when you want to create moveable or flexible spaces.
6. Remote Control: Manage devices anytime, anywhere through the eWeLink app, enabling on/off scheduling, countdown timers, and control from remote locations.

Description:

The SONOFF 4CH PRO R3 is a versatile 4-gang DIY smart switch that offers an easy way to convert your traditional appliances into smart devices. With 4 separate channels, this switch can control four different appliances or lights independently, making it a great addition for home automation enthusiasts looking to expand their smart home setup.

One of the key features of the 4CH PRO R3 is the ability to switch between self-locking, interlock, and inching modes through the eWeLink app, rather than through hardware settings as was the case in previous versions. This improvement simplifies control and allows for more customizable setups. For example, in self-locking mode, you can control each device independently, while interlock mode ensures that only one device is powered on at a time, and inching mode allows devices to power off automatically after a set period.

Additionally, this model supports RF control through a 433MHz remote, making it easier to manage from a distance without relying solely on the Wi-Fi connection. It's also compatible with voice assistants like Alexa and Google Home, providing hands-free control of your connected devices. Whether you are at home or away, the eWeLink app allows full remote control and management.

With the added convenience of DIN rail mounting, this switch is easy to integrate into both new and existing smart home setups.

FAQ:

1. Can I control all four devices independently?
   Yes, each of the four gangs can be controlled independently through the app or via voice command.

2. What’s the difference between 4CH PRO R3 and 4CH R3?
   The 4CH PRO R3 has RF control capability, allowing you to control it with a remote, while the 4CH R3 only supports Wi-Fi control.

3. What is inching mode, and how does it work?
   Inching mode turns on a device for a set time (between 0.5 to 3600 seconds) and then automatically turns it off. It’s useful for applications like garage door control.

4. Can I control the switch without Wi-Fi?
   Yes, with the RF function, you can control the switch via the RM433 remote controller without using Wi-Fi.

5. Does the SONOFF 4CH PRO R3 support automation schedules?
   Yes, the eWeLink app allows you to create schedules, countdown timers, and automation routines for the connected devices.

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